Marking pen



FIG. 1 is a perspective view showing the front and left side of a marking pen of my new design;

FIG. 2 is a front elevation view of FIG. 1;

FIG. 3 is a rear elevation view of FIG. 1;

FIG. 4 is a left side elevation view of FIG. 1, the right side elevation view being a mirror image thereof;

FIG. 5 is a top plan view of FIG. 1;

FIG. 6 is a bottom plan view of FIG. 1;

FIG. 7 is an exploded perspective view illustrating the caps and body of the marking pen of my new design shown in FIG. 1;

FIG. 8 is a top plan view of the body of the marking pen of FIG. 7; and,

FIG. 9 is a bottom plan view of the body of the marking pen of FIG. 7. 

The ornamental design for a marking pen, as shown and described. 